Advertisements Not Authorized - Appropriate or Non-Appropriated

Per DODI 8550.01
3. PUBLIC DoD INTERNET SERVICES AND IbC
a. Advertising and Endorsement
Any advertisement by or for any private individual, firm, or corporation shall not be inserted or allowed on public DoD Internet services prepared or produced with either appropriated or non-appropriated funds.
http://www.dtic.mil/whs/directives/corres/pdf/855001p.pdf